/*
 * Copyright 2018 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef GrResourceProviderPriv_DEFINED
#define GrResourceProviderPriv_DEFINED

#include "src/gpu/ganesh/GrResourceProvider.h"

/* * Class that adds methods to GrResourceProvider that are only intended for use internal to Skia.
    This class is purely a privileged window into GrResourceProvider. It should never have
    additional data members or virtual methods. */
class GrResourceProviderPriv {
public:
    GrGpu *gpu()
    {
        return fResourceProvider->gpu();
    }

private:
    explicit GrResourceProviderPriv(GrResourceProvider *provider) : fResourceProvider(provider) {}
    GrResourceProviderPriv &operator = (const GrResourceProviderPriv &) = delete;

    // No taking addresses of this type.
    const GrResourceProviderPriv *operator&() const;
    GrResourceProviderPriv *operator&();

    GrResourceProvider *fResourceProvider;
    friend class GrResourceProvider; // to construct/copy this type
};

inline GrResourceProviderPriv GrResourceProvider::priv()
{
    return GrResourceProviderPriv(this);
}

inline const GrResourceProviderPriv GrResourceProvider::priv() const
{ // NOLINT(readability-const-return-type)
    return GrResourceProviderPriv(const_cast<GrResourceProvider *>(this));
}

#endif
